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Heart diseases are linked to car exhausts


People living near sources of severe pollution, due to traffic congestion, may be more likely to develop heart disease, according to a US study.
The study, which quoted "extracts", said that the fine particles in this type of pollution reduce the levels of "good" cholesterol, which the body needs for healthy blood flow.

High-density lipoprotein helps reduce the risk of heart disease by clearing blood vessels from impurities and lowering triglycerides, which are dangerous fats that make blood more viscous and more susceptible to clotting.

The researchers studied 6,654 adults and found that people exposed to higher levels of micro- and micro-particles as a result of traffic pollution usually had lower HDL levels in their blood.

Previous research has linked traffic pollution, increased risk of lung damage, respiratory and vascular disease, and stroke.

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